From 0e98e88a223214952e7e75e2a1a38a875fbc13ed Mon Sep 17 00:00:00 2001
From: Andres Amaya Garcia <Andres.AmayaGarcia@arm.com>
Date: Wed, 23 May 2018 09:19:54 +0100
Subject: [PATCH] Silence no symbols warn on apple & Makefile

---
 library/Makefile | 34 +++++++++++++++++++++++++---------
 1 file changed, 25 insertions(+), 9 deletions(-)

diff --git a/library/Makefile b/library/Makefile
index b155c720e..60e9cbcc4 100644
--- a/library/Makefile
+++ b/library/Makefile
@@ -35,16 +35,26 @@ SOEXT_TLS=so.10
 SOEXT_X509=so.0
 SOEXT_CRYPTO=so.2
 
-# Set DLEXT=dylib to compile as a shared library for Mac OS X
 DLEXT ?= so
 
 # Set AR_DASH= (empty string) to use an ar implentation that does not accept
 # the - prefix for command line options (e.g. llvm-ar)
 AR_DASH ?= -
 
-# Windows shared library extension:
+ifdef APPLE_BUILD
+ARFLAGS = $(AR_DASH)Src
+RLFLAGS = -no_warning_for_no_symbols -c
+RL ?= ranlib
+else
+ARFLAGS = $(AR_DASH)src
+endif
+
 ifdef WINDOWS_BUILD
-DLEXT=dll
+# Windows shared library extension:
+DLEXT = dll
+else ifdef APPLE_BUILD
+# Mac OS X shared library extension:
+DLEXT = dylib
 endif
 
 OBJS_CRYPTO=	aes.o		aesni.o		arc4.o		\
@@ -95,9 +105,11 @@ shared: libmbedcrypto.$(DLEXT) libmbedx509.$(DLEXT) libmbedtls.$(DLEXT)
 # tls
 libmbedtls.a: $(OBJS_TLS)
 	echo "  AR    $@"
-	$(AR) $(AR_DASH)rc $@ $(OBJS_TLS)
+	$(AR) $(ARFLAGS) $@ $(OBJS_TLS)
+ifdef APPLE_BUILD
 	echo "  RL    $@"
-	$(AR) $(AR_DASH)s $@
+	$(RL) $(RLFLAGS) $@
+endif
 
 libmbedtls.$(SOEXT_TLS): $(OBJS_TLS) libmbedx509.so
 	echo "  LD    $@"
@@ -118,9 +130,11 @@ libmbedtls.dll: $(OBJS_TLS) libmbedx509.dll
 # x509
 libmbedx509.a: $(OBJS_X509)
 	echo "  AR    $@"
-	$(AR) $(AR_DASH)rc $@ $(OBJS_X509)
+	$(AR) $(ARFLAGS) $@ $(OBJS_X509)
+ifdef APPLE_BUILD
 	echo "  RL    $@"
-	$(AR) $(AR_DASH)s $@
+	$(RL) $(RLFLAGS) $@
+endif
 
 libmbedx509.$(SOEXT_X509): $(OBJS_X509) libmbedcrypto.so
 	echo "  LD    $@"
@@ -141,9 +155,11 @@ libmbedx509.dll: $(OBJS_X509) libmbedcrypto.dll
 # crypto
 libmbedcrypto.a: $(OBJS_CRYPTO)
 	echo "  AR    $@"
-	$(AR) $(AR_DASH)rc $@ $(OBJS_CRYPTO)
+	$(AR) $(ARFLAGS) $@ $(OBJS_CRYPTO)
+ifdef APPLE_BUILD
 	echo "  RL    $@"
-	$(AR) $(AR_DASH)s $@
+	$(RL) $(RLFLAGS) $@
+endif
 
 libmbedcrypto.$(SOEXT_CRYPTO): $(OBJS_CRYPTO)
 	echo "  LD    $@"